User PlasmaHH - Worldbuilding Stack Exchange

PlasmaHH

Member for 9 years, 2 months
Last seen this week

12 Answers

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18 votes

Tomorrow is Groundhog Day... For everyone. How does society respond?

answered May 28, 2015 at 12:59

11 votes

What's the most efficient way to destroy civilization from orbit?

answered Aug 13, 2015 at 9:37

11 votes

Can a human being live with a continuous stream of blood instead of pulses?

answered Aug 26, 2016 at 14:09

6 votes

Can I Have A Destroyed Civilization with No Ruins?

answered Oct 1, 2014 at 10:27

4 votes

After we drain the Sun and migrate, why would humanity find the Solar System important?

answered Apr 7, 2022 at 10:58

3 votes

How do I safely sell off gold coins of unknown provenance?

answered Oct 30, 2015 at 13:51

2 votes

Sleeping on planets with very long days

answered Jan 6, 2015 at 13:38

2 votes

What event could leave an ancient forest so burned it's impassable to humans and cause Centaurs and Humans to work together?

answered Nov 20, 2014 at 12:57

1 vote

How can a spaceship unknowingly interfere with tides on a planet?

answered Nov 26, 2014 at 12:45

1 vote

How do I get rid of the Earth or local Solar System?

answered Nov 3, 2014 at 22:56

1 vote

How can I explain that a time travelling apparatus moves itself through time but appears in the same location?

answered Mar 23, 2015 at 16:54

1 vote

Dangerous pending task in world managing A.I

answered May 3, 2018 at 19:54